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itemprop="articleBody"><meta name="referrer" content="no-referrer"><h1 id="Dozer-Mapper"><a href="#Dozer-Mapper" class="headerlink" title="Dozer-Mapper"></a>Dozer-Mapper</h1><p>讲述：springboot + Dozer+maven<br>(Start配置Dozer======到 End配置Dozer的配置)<br>可以直接在项目中使用 ，测试可以作为项目实战</p><p><strong>Dozer是什么?</strong></p><p><strong>Dozer是一个JavaBean映射工具库。</strong></p><p>它支持简单的属性映射 ，复杂类型映射 ，双向映射 ，隐式显式的映射 ，以及递归映射。</p><p>它支持三种映射方式：注解、API、XML。</p><h2 id="目录："><a href="#目录：" class="headerlink" title="目录："></a>目录：</h2><p><strong>测试项目目录</strong></p><p><strong>Start配置Dozer</strong></p><p><strong>如何使用及测试</strong></p><p><strong>Dozer工具的封装接口及接口全面测试</strong></p><p><strong>项目实战演示(仅仅做演示)</strong></p><a id="more"></a><p><strong>springboot目录及测试需要的文件位置：</strong>还有一个entity文件夹</p><p><img src="https://upload-images.jianshu.io/upload_images/15645795-d175ae3578a44e82.png" alt="springboot目录及测试需要的文件位置.png"></p><p><strong>###Start配置Dozer###</strong></p><p>1.在pom.xml文件里添加Dozer依赖</p><figure class="highlight xml"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br></pre></td><td class="code"><pre><span class="line"><span class="comment">&lt;!-- dozer 对象间属性值赋值 ，不同属性名 ，借助map映射 --&gt;</span></span><br><span class="line"><span class="tag">&lt;<span class="name">dependency</span>&gt;</span></span><br><span class="line">   <span class="tag">&lt;<span class="name">groupId</span>&gt;</span>net.sf.dozer<span class="tag">&lt;/<span class="name">groupId</span>&gt;</span></span><br><span class="line">   <span class="tag">&lt;<span class="name">artifactId</span>&gt;</span>dozer<span class="tag">&lt;/<span class="name">artifactId</span>&gt;</span></span><br><span class="line">   <span class="tag">&lt;<span class="name">version</span>&gt;</span>5.4.0<span class="tag">&lt;/<span class="name">version</span>&gt;</span></span><br><span class="line">   <span class="tag">&lt;<span class="name">exclusions</span>&gt;</span></span><br><span class="line">      <span class="tag">&lt;<span class="name">exclusion</span>&gt;</span></span><br><span class="line">         <span class="tag">&lt;<span class="name">groupId</span>&gt;</span>org.slf4j<span class="tag">&lt;/<span class="name">groupId</span>&gt;</span></span><br><span class="line">         <span class="tag">&lt;<span class="name">artifactId</span>&gt;</span>slf4j-log4j12<span class="tag">&lt;/<span class="name">artifactId</span>&gt;</span></span><br><span class="line">      <span class="tag">&lt;/<span class="name">exclusion</span>&gt;</span></span><br><span class="line">      <span class="tag">&lt;<span class="name">exclusion</span>&gt;</span></span><br><span class="line">         <span class="tag">&lt;<span class="name">groupId</span>&gt;</span>log4j<span class="tag">&lt;/<span class="name">groupId</span>&gt;</span></span><br><span class="line">         <span class="tag">&lt;<span class="name">artifactId</span>&gt;</span>log4j<span class="tag">&lt;/<span class="name">artifactId</span>&gt;</span></span><br><span class="line">      <span class="tag">&lt;/<span class="name">exclusion</span>&gt;</span></span><br><span class="line">   <span class="tag">&lt;/<span class="name">exclusions</span>&gt;</span></span><br><span class="line"><span class="tag">&lt;/<span class="name">dependency</span>&gt;</span></span><br></pre></td></tr></table></figure><p>2.在config文件夹下添加：DozerConfig.java类</p><p>一定要在config下添加：springboot项目目录若没有config文件夹就新建一个</p><p>配置完成就可以测试使用mapper映射了！</p><figure class="highlight java"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br></pre></td><td class="code"><pre><span class="line"><span class="keyword">package</span> com.dist.config;</span><br><span class="line"></span><br><span class="line"><span class="keyword">import</span> org.dozer.spring.DozerBeanMapperFactoryBean;</span><br><span class="line"><span class="keyword">import</span> org.springframework.context.annotation.Bean;</span><br><span class="line"><span class="keyword">import</span> org.springframework.context.annotation.Configuration;</span><br><span class="line"></span><br><span class="line"><span class="comment">/**</span></span><br><span class="line"><span class="comment"> * <span class="doctag">@author</span> yangmin</span></span><br><span class="line"><span class="comment"> * <span class="doctag">@date</span> 2018/4/11</span></span><br><span class="line"><span class="comment"> * 返回一个dozer实例bean ，目的是做对象间属性值的赋值操作</span></span><br><span class="line"><span class="comment"> */</span></span><br><span class="line"><span class="meta">@Configuration</span></span><br><span class="line"><span class="keyword">public</span> <span class="class"><span class="keyword">class</span> <span class="title">DozerConfig</span> </span>&#123;</span><br><span class="line">    <span class="meta">@Bean</span></span><br><span class="line">    <span class="function"><span class="keyword">public</span> DozerBeanMapperFactoryBean <span class="title">mapper</span><span class="params">()</span> </span>&#123;</span><br><span class="line">        <span class="keyword">return</span> <span class="keyword">new</span> DozerBeanMapperFactoryBean();</span><br><span class="line">    &#125;</span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure><p>到此 ，项目就可以使用Dozer了 ，用Mapper mapper ，可以在controller层也可以在server层。</p><figure class="highlight java"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br></pre></td><td class="code"><pre><span class="line"><span class="meta">@Autowired</span></span><br><span class="line"><span class="keyword">private</span> Mapper mapper;</span><br></pre></td></tr></table></figure><p><strong>###End配置Dozer###</strong></p><p><strong>如何使用及测试：</strong></p><p>此处是springboot项目测试 ，</p><p>在entity文件夹目录下 ，创建实体类</p><p>创建UserDTO.java类</p><figure class="highlight java"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br></pre></td><td class="code"><pre><span class="line"><span class="keyword">package</span> com.dist.entity.dto;</span><br><span class="line"></span><br><span class="line"><span class="keyword">import</span> lombok.Data;</span><br><span class="line"><span class="keyword">import</span> java.io.Serializable;</span><br><span class="line"></span><br><span class="line"><span class="comment">//下载idea插件 lombok  ，或网上百度@Data</span></span><br><span class="line"><span class="comment">//下载方式：https://blog.csdn.net/qq_37433657/article/details/83275051</span></span><br><span class="line"><span class="meta">@Data</span></span><br><span class="line"><span class="keyword">public</span> <span class="class"><span class="keyword">class</span> <span class="title">UserDTO</span> <span class="keyword">implements</span> <span class="title">Serializable</span> </span>&#123;</span><br><span class="line">    <span class="keyword">private</span> String userCode;</span><br><span class="line">    <span class="keyword">private</span> String loginName;</span><br><span class="line">    <span class="keyword">private</span> String loginPassword;</span><br><span class="line">    <span class="keyword">private</span> String deviceCode;</span><br><span class="line">    <span class="keyword">private</span> String systemCode;</span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure><p>创建：UserVO.java类</p><figure class="highlight java"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br></pre></td><td class="code"><pre><span class="line"><span class="keyword">package</span> com.dist.entity.dto;</span><br><span class="line"></span><br><span class="line"><span class="keyword">import</span> lombok.Data;</span><br><span class="line"><span class="keyword">import</span> java.io.Serializable;</span><br><span class="line"></span><br><span class="line"><span class="meta">@Data</span></span><br><span class="line"><span class="keyword">public</span> <span class="class"><span class="keyword">class</span> <span class="title">UserVO</span> <span class="keyword">implements</span> <span class="title">Serializable</span> </span>&#123;</span><br><span class="line">    <span class="keyword">private</span> String userCode;</span><br><span class="line">    <span class="keyword">private</span> String loginName;</span><br><span class="line">    <span class="keyword">private</span> String loginPassword;</span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure><p>在test文件夹下创建测试类：</p><p>DozerTest.java</p><figure class="highlight java"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span class="line">30</span><br></pre></td><td class="code"><pre><span class="line"><span class="keyword">package</span> com.dist.test;</span><br><span class="line"></span><br><span class="line"><span class="keyword">import</span> com.dist.SpringbootdemoApplication;</span><br><span class="line"><span class="keyword">import</span> com.dist.entity.dto.UserDTO;</span><br><span class="line"><span class="keyword">import</span> com.dist.entity.dto.UserVO;</span><br><span class="line"><span class="keyword">import</span> org.dozer.Mapper;</span><br><span class="line"><span class="keyword">import</span> org.junit.Test;</span><br><span class="line"><span class="keyword">import</span> org.junit.runner.RunWith;</span><br><span class="line"><span class="keyword">import</span> org.springframework.beans.factory.annotation.Autowired;</span><br><span class="line"><span class="keyword">import</span> org.springframework.boot.test.context.SpringBootTest;</span><br><span class="line"><span class="keyword">import</span> org.springframework.test.context.junit4.SpringRunner;</span><br><span class="line"></span><br><span class="line"><span class="meta">@RunWith</span>(SpringRunner<span class="class">.<span class="keyword">class</span>)</span></span><br><span class="line"><span class="class">@<span class="title">SpringBootTest</span>(<span class="title">classes</span> </span>= &#123;SpringbootdemoApplication<span class="class">.<span class="keyword">class</span>&#125;)</span></span><br><span class="line"><span class="class"><span class="title">public</span> <span class="title">class</span> <span class="title">DozerTest</span></span>&#123;</span><br><span class="line"></span><br><span class="line">    <span class="meta">@Autowired</span></span><br><span class="line">    <span class="keyword">private</span> Mapper mapper;</span><br><span class="line"></span><br><span class="line">    <span class="comment">/**</span></span><br><span class="line"><span class="comment">     * 单个对象的深度复制及类型转换 ，vo/domain , po</span></span><br><span class="line"><span class="comment">     * 输出结果： UserVO(userCode=123, loginName=null, loginPassword=null)</span></span><br><span class="line"><span class="comment">     */</span></span><br><span class="line">    <span class="meta">@Test</span></span><br><span class="line">    <span class="function"><span class="keyword">public</span> <span class="keyword">void</span> <span class="title">testMapper</span><span class="params">()</span></span>&#123;</span><br><span class="line">        UserDTO userDTO =<span class="keyword">new</span> UserDTO();</span><br><span class="line">        userDTO.setUserCode(<span class="string">"123"</span>);</span><br><span class="line">        UserVO userVO = mapper.map(userDTO, UserVO<span class="class">.<span class="keyword">class</span>)</span>;</span><br><span class="line">        System.out.println(userVO);</span><br><span class="line">    &#125;</span><br></pre></td></tr></table></figure><figure class="highlight java"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">输出结果： UserVO(userCode=<span class="number">123</span>, loginName=<span class="keyword">null</span>, loginPassword=<span class="keyword">null</span>)</span><br></pre></td></tr></table></figure><p>映射成功 ，实现了类的深度复制；并且 ，过滤掉了前端不需要的数据；</p><p><strong>下面是放置Dozer工具的接口和实现类：</strong></p><p>IGenerator.java接口：封装了Mapper工具接口：实现了list、set ，数组 ，对象等深度复制！</p><figure class="highlight java"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span class="line">30</span><br><span class="line">31</span><br><span class="line">32</span><br><span class="line">33</span><br><span class="line">34</span><br><span class="line">35</span><br><span class="line">36</span><br><span class="line">37</span><br><span class="line">38</span><br><span class="line">39</span><br><span class="line">40</span><br><span class="line">41</span><br><span class="line">42</span><br><span class="line">43</span><br><span class="line">44</span><br><span class="line">45</span><br><span class="line">46</span><br><span class="line">47</span><br><span class="line">48</span><br><span class="line">49</span><br><span class="line">50</span><br><span class="line">51</span><br><span class="line">52</span><br><span class="line">53</span><br></pre></td><td class="code"><pre><span class="line"><span class="keyword">package</span> com.dist.utils;</span><br><span class="line"></span><br><span class="line"></span><br><span class="line"><span class="keyword">import</span> java.util.List;</span><br><span class="line"><span class="keyword">import</span> java.util.Set;</span><br><span class="line"></span><br><span class="line"><span class="comment">/**</span></span><br><span class="line"><span class="comment"> * <span class="doctag">@author</span> zhengja@dist.com.cn</span></span><br><span class="line"><span class="comment"> * <span class="doctag">@data</span> 2019/5/30 15:19</span></span><br><span class="line"><span class="comment"> */</span></span><br><span class="line"><span class="keyword">public</span> <span class="class"><span class="keyword">interface</span> <span class="title">IGenerator</span> </span>&#123;</span><br><span class="line"></span><br><span class="line">    <span class="comment">/**</span></span><br><span class="line"><span class="comment">     * <span class="doctag">@Description</span>: 单个对象的深度复制及类型转换 ，vo/domain , po</span></span><br><span class="line"><span class="comment">     * <span class="doctag">@param</span> s 数据对象</span></span><br><span class="line"><span class="comment">     * <span class="doctag">@param</span> clz 复制目标类型</span></span><br><span class="line"><span class="comment">     * <span class="doctag">@return</span></span></span><br><span class="line"><span class="comment">     * <span class="doctag">@author</span> banjuer@outlook.com</span></span><br><span class="line"><span class="comment">     * <span class="doctag">@Time</span> 2018年5月9日 下午3:53:24</span></span><br><span class="line"><span class="comment">     */</span></span><br><span class="line">    &lt;T, S&gt; <span class="function">T <span class="title">convert</span><span class="params">(S s, Class&lt;T&gt; clz)</span></span>;</span><br><span class="line"></span><br><span class="line">    <span class="comment">/**</span></span><br><span class="line"><span class="comment">     * <span class="doctag">@Description</span>: list深度复制</span></span><br><span class="line"><span class="comment">     * <span class="doctag">@param</span> s 数据对象</span></span><br><span class="line"><span class="comment">     * <span class="doctag">@param</span> clz 复制目标类型</span></span><br><span class="line"><span class="comment">     * <span class="doctag">@return</span></span></span><br><span class="line"><span class="comment">     * <span class="doctag">@author</span> banjuer@outlook.com</span></span><br><span class="line"><span class="comment">     * <span class="doctag">@Time</span> 2018年5月9日 下午3:54:08</span></span><br><span class="line"><span class="comment">     */</span></span><br><span class="line">    &lt;T, S&gt; <span class="function">List&lt;T&gt; <span class="title">convert</span><span class="params">(List&lt;S&gt; s, Class&lt;T&gt; clz)</span></span>;</span><br><span class="line"></span><br><span class="line">    <span class="comment">/**</span></span><br><span class="line"><span class="comment">     * <span class="doctag">@Description</span>: set深度复制</span></span><br><span class="line"><span class="comment">     * <span class="doctag">@param</span> s 数据对象</span></span><br><span class="line"><span class="comment">     * <span class="doctag">@param</span> clz 复制目标类型</span></span><br><span class="line"><span class="comment">     * <span class="doctag">@return</span></span></span><br><span class="line"><span class="comment">     * <span class="doctag">@author</span> banjuer@outlook.com</span></span><br><span class="line"><span class="comment">     * <span class="doctag">@Time</span> 2018年5月9日 下午3:54:39</span></span><br><span class="line"><span class="comment">     */</span></span><br><span class="line">    &lt;T, S&gt; <span class="function">Set&lt;T&gt; <span class="title">convert</span><span class="params">(Set&lt;S&gt; s, Class&lt;T&gt; clz)</span></span>;</span><br><span class="line"></span><br><span class="line">    <span class="comment">/**</span></span><br><span class="line"><span class="comment">     * <span class="doctag">@Description</span>: 数组深度复制</span></span><br><span class="line"><span class="comment">     * <span class="doctag">@param</span> s 数据对象</span></span><br><span class="line"><span class="comment">     * <span class="doctag">@param</span> clz 复制目标类型</span></span><br><span class="line"><span class="comment">     * <span class="doctag">@return</span></span></span><br><span class="line"><span class="comment">     * <span class="doctag">@author</span> banjuer@outlook.com</span></span><br><span class="line"><span class="comment">     * <span class="doctag">@Time</span> 2018年5月9日 下午3:54:57</span></span><br><span class="line"><span class="comment">     */</span></span><br><span class="line">    &lt;T, S&gt; T[] convert(S[] s, Class&lt;T&gt; clz);</span><br><span class="line"></span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure><p>IGenerator的实现类：EJBGenerator.java</p><figure class="highlight java"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span class="line">30</span><br><span class="line">31</span><br><span class="line">32</span><br><span class="line">33</span><br><span class="line">34</span><br><span class="line">35</span><br><span class="line">36</span><br><span class="line">37</span><br><span class="line">38</span><br><span class="line">39</span><br><span class="line">40</span><br><span class="line">41</span><br><span class="line">42</span><br><span class="line">43</span><br><span class="line">44</span><br><span class="line">45</span><br><span class="line">46</span><br><span class="line">47</span><br><span class="line">48</span><br><span class="line">49</span><br><span class="line">50</span><br><span class="line">51</span><br><span class="line">52</span><br><span class="line">53</span><br><span class="line">54</span><br><span class="line">55</span><br><span class="line">56</span><br><span class="line">57</span><br><span class="line">58</span><br><span class="line">59</span><br><span class="line">60</span><br><span class="line">61</span><br><span class="line">62</span><br><span class="line">63</span><br><span class="line">64</span><br><span class="line">65</span><br><span class="line">66</span><br><span class="line">67</span><br><span class="line">68</span><br><span class="line">69</span><br><span class="line">70</span><br><span class="line">71</span><br><span class="line">72</span><br><span class="line">73</span><br><span class="line">74</span><br><span class="line">75</span><br><span class="line">76</span><br><span class="line">77</span><br><span class="line">78</span><br><span class="line">79</span><br><span class="line">80</span><br><span class="line">81</span><br><span class="line">82</span><br><span class="line">83</span><br><span class="line">84</span><br><span class="line">85</span><br><span class="line">86</span><br><span class="line">87</span><br><span class="line">88</span><br><span class="line">89</span><br><span class="line">90</span><br><span class="line">91</span><br><span class="line">92</span><br><span class="line">93</span><br><span class="line">94</span><br><span class="line">95</span><br><span class="line">96</span><br><span class="line">97</span><br><span class="line">98</span><br></pre></td><td class="code"><pre><span class="line"><span class="keyword">package</span> com.dist.utils;</span><br><span class="line"></span><br><span class="line"><span class="keyword">import</span> org.dozer.Mapper;</span><br><span class="line"><span class="keyword">import</span> org.springframework.beans.factory.annotation.Autowired;</span><br><span class="line"><span class="keyword">import</span> org.springframework.context.annotation.Lazy;</span><br><span class="line"><span class="keyword">import</span> org.springframework.stereotype.Component;</span><br><span class="line"></span><br><span class="line"><span class="keyword">import</span> java.lang.reflect.Array;</span><br><span class="line"><span class="keyword">import</span> java.util.*;</span><br><span class="line"></span><br><span class="line"><span class="comment">/**</span></span><br><span class="line"><span class="comment"> * <span class="doctag">@author</span> zhengja@dist.com.cn</span></span><br><span class="line"><span class="comment"> * <span class="doctag">@data</span> 2019/5/30 15:21</span></span><br><span class="line"><span class="comment"> */</span></span><br><span class="line"><span class="meta">@Component</span></span><br><span class="line"><span class="meta">@Lazy</span>(<span class="keyword">true</span>)</span><br><span class="line"><span class="keyword">public</span> <span class="class"><span class="keyword">class</span> <span class="title">EJBGenerator</span> <span class="keyword">implements</span> <span class="title">IGenerator</span> </span>&#123;</span><br><span class="line"></span><br><span class="line">    <span class="meta">@Autowired</span></span><br><span class="line">    <span class="keyword">protected</span> Mapper mapper;</span><br><span class="line"></span><br><span class="line">    <span class="comment">/**</span></span><br><span class="line"><span class="comment">     * <span class="doctag">@Description</span>: 单个对象的深度复制及类型转换 ，vo/domain , po</span></span><br><span class="line"><span class="comment">     * <span class="doctag">@param</span> s 数据对象</span></span><br><span class="line"><span class="comment">     * <span class="doctag">@param</span> clz 复制目标类型</span></span><br><span class="line"><span class="comment">     * <span class="doctag">@param</span> &lt;T&gt;</span></span><br><span class="line"><span class="comment">     * <span class="doctag">@param</span> &lt;S&gt;</span></span><br><span class="line"><span class="comment">     * <span class="doctag">@return</span></span></span><br><span class="line"><span class="comment">     */</span></span><br><span class="line">    <span class="meta">@Override</span></span><br><span class="line">    <span class="keyword">public</span> &lt;T, S&gt; <span class="function">T <span class="title">convert</span><span class="params">(S s, Class&lt;T&gt; clz)</span> </span>&#123;</span><br><span class="line">        <span class="keyword">if</span> (s == <span class="keyword">null</span>) &#123;</span><br><span class="line">            <span class="keyword">return</span> <span class="keyword">null</span>;</span><br><span class="line">        &#125;</span><br><span class="line">        <span class="keyword">return</span> <span class="keyword">this</span>.mapper.map(s, clz);</span><br><span class="line">    &#125;</span><br><span class="line"></span><br><span class="line">    <span class="comment">/**</span></span><br><span class="line"><span class="comment">     *<span class="doctag">@Description</span>: list深度复制</span></span><br><span class="line"><span class="comment">     * <span class="doctag">@param</span> s 数据对象</span></span><br><span class="line"><span class="comment">     * <span class="doctag">@param</span> clz 复制目标类型</span></span><br><span class="line"><span class="comment">     * <span class="doctag">@param</span> &lt;T&gt;</span></span><br><span class="line"><span class="comment">     * <span class="doctag">@param</span> &lt;S&gt;</span></span><br><span class="line"><span class="comment">     * <span class="doctag">@return</span></span></span><br><span class="line"><span class="comment">     */</span></span><br><span class="line">    <span class="meta">@Override</span></span><br><span class="line">    <span class="keyword">public</span> &lt;T, S&gt; <span class="function">List&lt;T&gt; <span class="title">convert</span><span class="params">(List&lt;S&gt; s, Class&lt;T&gt; clz)</span> </span>&#123;</span><br><span class="line">        <span class="keyword">if</span> (s == <span class="keyword">null</span>) &#123;</span><br><span class="line">            <span class="keyword">return</span> <span class="keyword">null</span>;</span><br><span class="line">        &#125;</span><br><span class="line">        List&lt;T&gt; list = <span class="keyword">new</span> ArrayList&lt;T&gt;();</span><br><span class="line">        <span class="keyword">for</span> (S vs : s) &#123;</span><br><span class="line">            list.add(<span class="keyword">this</span>.mapper.map(vs, clz));</span><br><span class="line">        &#125;</span><br><span class="line">        <span class="keyword">return</span> list;</span><br><span class="line">    &#125;</span><br><span class="line"></span><br><span class="line">    <span class="comment">/**</span></span><br><span class="line"><span class="comment">     * <span class="doctag">@Description</span>: Set深度复制</span></span><br><span class="line"><span class="comment">     * <span class="doctag">@param</span> s 数据对象</span></span><br><span class="line"><span class="comment">     * <span class="doctag">@param</span> clz 复制目标类型</span></span><br><span class="line"><span class="comment">     * <span class="doctag">@param</span> &lt;T&gt;</span></span><br><span class="line"><span class="comment">     * <span class="doctag">@param</span> &lt;S&gt;</span></span><br><span class="line"><span class="comment">     * <span class="doctag">@return</span></span></span><br><span class="line"><span class="comment">     */</span></span><br><span class="line">    <span class="meta">@Override</span></span><br><span class="line">    <span class="keyword">public</span> &lt;T, S&gt; <span class="function">Set&lt;T&gt; <span class="title">convert</span><span class="params">(Set&lt;S&gt; s, Class&lt;T&gt; clz)</span> </span>&#123;</span><br><span class="line">        <span class="keyword">if</span> (s == <span class="keyword">null</span>) &#123;</span><br><span class="line">            <span class="keyword">return</span> <span class="keyword">null</span>;</span><br><span class="line">        &#125;</span><br><span class="line">        Set&lt;T&gt; set = <span class="keyword">new</span> HashSet&lt;T&gt;();</span><br><span class="line">        <span class="keyword">for</span> (S vs : s) &#123;</span><br><span class="line">            set.add(<span class="keyword">this</span>.mapper.map(vs, clz));</span><br><span class="line">        &#125;</span><br><span class="line">        <span class="keyword">return</span> set;</span><br><span class="line">    &#125;</span><br><span class="line"></span><br><span class="line">    <span class="comment">/**</span></span><br><span class="line"><span class="comment">     * <span class="doctag">@Description</span>: 数组深度复制</span></span><br><span class="line"><span class="comment">     * <span class="doctag">@param</span> s 数据对象</span></span><br><span class="line"><span class="comment">     * <span class="doctag">@param</span> clz 复制目标类型</span></span><br><span class="line"><span class="comment">     * <span class="doctag">@param</span> &lt;T&gt;</span></span><br><span class="line"><span class="comment">     * <span class="doctag">@param</span> &lt;S&gt;</span></span><br><span class="line"><span class="comment">     * <span class="doctag">@return</span></span></span><br><span class="line"><span class="comment">     */</span></span><br><span class="line">    <span class="meta">@Override</span></span><br><span class="line">    <span class="keyword">public</span> &lt;T, S&gt; T[] convert(S[] s, Class&lt;T&gt; clz) &#123;</span><br><span class="line">        <span class="keyword">if</span> (s == <span class="keyword">null</span>) &#123;</span><br><span class="line">            <span class="keyword">return</span> <span class="keyword">null</span>;</span><br><span class="line">        &#125;</span><br><span class="line">        <span class="meta">@SuppressWarnings</span>(<span class="string">"unchecked"</span>)</span><br><span class="line">        T[] arr = (T[]) Array.newInstance(clz, s.length);</span><br><span class="line">        <span class="keyword">for</span> (<span class="keyword">int</span> i = <span class="number">0</span>; i &lt; s.length; i++) &#123;</span><br><span class="line">            arr[i] = <span class="keyword">this</span>.mapper.map(s[i], clz);</span><br><span class="line">        &#125;</span><br><span class="line">        <span class="keyword">return</span> arr;</span><br><span class="line">    &#125;</span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure><p><strong>全面测试：</strong></p><figure class="highlight java"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span class="line">30</span><br><span class="line">31</span><br><span class="line">32</span><br><span class="line">33</span><br><span class="line">34</span><br><span class="line">35</span><br><span class="line">36</span><br><span class="line">37</span><br><span class="line">38</span><br><span class="line">39</span><br><span class="line">40</span><br><span class="line">41</span><br><span class="line">42</span><br><span class="line">43</span><br><span class="line">44</span><br><span class="line">45</span><br><span class="line">46</span><br><span class="line">47</span><br><span class="line">48</span><br><span class="line">49</span><br><span class="line">50</span><br><span class="line">51</span><br><span class="line">52</span><br><span class="line">53</span><br><span class="line">54</span><br><span class="line">55</span><br><span class="line">56</span><br><span class="line">57</span><br><span class="line">58</span><br><span class="line">59</span><br><span class="line">60</span><br><span class="line">61</span><br><span class="line">62</span><br><span class="line">63</span><br><span class="line">64</span><br><span class="line">65</span><br><span class="line">66</span><br><span class="line">67</span><br><span class="line">68</span><br><span class="line">69</span><br><span class="line">70</span><br><span class="line">71</span><br><span class="line">72</span><br><span class="line">73</span><br><span class="line">74</span><br><span class="line">75</span><br><span class="line">76</span><br><span class="line">77</span><br><span class="line">78</span><br><span class="line">79</span><br><span class="line">80</span><br><span class="line">81</span><br><span class="line">82</span><br><span class="line">83</span><br><span class="line">84</span><br><span class="line">85</span><br><span class="line">86</span><br><span class="line">87</span><br><span class="line">88</span><br><span class="line">89</span><br><span class="line">90</span><br><span class="line">91</span><br><span class="line">92</span><br><span class="line">93</span><br><span class="line">94</span><br><span class="line">95</span><br><span class="line">96</span><br><span class="line">97</span><br><span class="line">98</span><br><span class="line">99</span><br><span class="line">100</span><br><span class="line">101</span><br><span class="line">102</span><br><span class="line">103</span><br><span class="line">104</span><br><span class="line">105</span><br><span class="line">106</span><br><span class="line">107</span><br><span class="line">108</span><br><span class="line">109</span><br><span class="line">110</span><br><span class="line">111</span><br><span class="line">112</span><br></pre></td><td class="code"><pre><span class="line"><span class="keyword">package</span> com.dist.test;</span><br><span class="line"></span><br><span class="line"><span class="keyword">import</span> com.dist.SpringbootdemoApplication;</span><br><span class="line"><span class="keyword">import</span> com.dist.entity.dto.UserDTO;</span><br><span class="line"><span class="keyword">import</span> com.dist.entity.dto.UserVO;</span><br><span class="line"><span class="keyword">import</span> com.dist.utils.IGenerator;</span><br><span class="line"><span class="keyword">import</span> org.junit.Test;</span><br><span class="line"><span class="keyword">import</span> org.junit.runner.RunWith;</span><br><span class="line"><span class="keyword">import</span> org.springframework.beans.factory.annotation.Autowired;</span><br><span class="line"><span class="keyword">import</span> org.springframework.boot.test.context.SpringBootTest;</span><br><span class="line"><span class="keyword">import</span> org.springframework.test.context.junit4.SpringRunner;</span><br><span class="line"></span><br><span class="line"><span class="keyword">import</span> java.util.ArrayList;</span><br><span class="line"><span class="keyword">import</span> java.util.HashSet;</span><br><span class="line"><span class="keyword">import</span> java.util.List;</span><br><span class="line"><span class="keyword">import</span> java.util.Set;</span><br><span class="line"></span><br><span class="line"><span class="comment">/**</span></span><br><span class="line"><span class="comment"> * Dozer是什么?</span></span><br><span class="line"><span class="comment"></span></span><br><span class="line"><span class="comment"> Dozer是一个JavaBean映射工具库。</span></span><br><span class="line"><span class="comment"></span></span><br><span class="line"><span class="comment"> 它支持简单的属性映射 ，复杂类型映射 ，双向映射 ，隐式显式的映射 ，以及递归映射。</span></span><br><span class="line"><span class="comment"></span></span><br><span class="line"><span class="comment"> 它支持三种映射方式：注解、API、XML。</span></span><br><span class="line"><span class="comment"></span></span><br><span class="line"><span class="comment"> 它是开源的 ，遵从Apache 2.0 协议</span></span><br><span class="line"><span class="comment"></span></span><br><span class="line"><span class="comment"> * <span class="doctag">@author</span> zhengja@dist.com.cn</span></span><br><span class="line"><span class="comment"> * <span class="doctag">@data</span> 2019/5/30 14:36</span></span><br><span class="line"><span class="comment"> */</span></span><br><span class="line"><span class="meta">@RunWith</span>(SpringRunner<span class="class">.<span class="keyword">class</span>)</span></span><br><span class="line"><span class="class">@<span class="title">SpringBootTest</span>(<span class="title">classes</span> </span>= &#123;SpringbootdemoApplication<span class="class">.<span class="keyword">class</span>&#125;)</span></span><br><span class="line"><span class="class"><span class="title">public</span> <span class="title">class</span> <span class="title">DozerTest</span></span>&#123;</span><br><span class="line"></span><br><span class="line">    <span class="comment">/*@Autowired</span></span><br><span class="line"><span class="comment">    private Mapper mapper;*/</span></span><br><span class="line"></span><br><span class="line">    <span class="comment">/**</span></span><br><span class="line"><span class="comment">     * 封装了Mapper工具接口：实现了list、set ，数组 ，对象等深度复制！</span></span><br><span class="line"><span class="comment">     */</span></span><br><span class="line">    <span class="meta">@Autowired</span></span><br><span class="line">    IGenerator iGenerator;</span><br><span class="line"></span><br><span class="line">    <span class="comment">/**</span></span><br><span class="line"><span class="comment">     * 单个对象的深度复制及类型转换 ，vo/domain , po</span></span><br><span class="line"><span class="comment">     * 输出结果： UserVO(userCode=123, loginName=null, loginPassword=null)</span></span><br><span class="line"><span class="comment">     */</span></span><br><span class="line">    <span class="comment">/*@Test</span></span><br><span class="line"><span class="comment">    public void testMapper()&#123;</span></span><br><span class="line"><span class="comment">        UserDTO userDTO =new UserDTO();</span></span><br><span class="line"><span class="comment">        userDTO.setUserCode("123");</span></span><br><span class="line"><span class="comment">        UserVO userVO = mapper.map(userDTO, UserVO.class);</span></span><br><span class="line"><span class="comment">        System.out.println(userVO);</span></span><br><span class="line"><span class="comment">    &#125;*/</span></span><br><span class="line"></span><br><span class="line">    <span class="comment">/**</span></span><br><span class="line"><span class="comment">     *单个对象的深度复制及类型转换 ，vo/domain , po</span></span><br><span class="line"><span class="comment">     * 输出结果： UserVO(userCode=123, loginName=null, loginPassword=null)</span></span><br><span class="line"><span class="comment">     */</span></span><br><span class="line">    <span class="meta">@Test</span></span><br><span class="line">    <span class="function"><span class="keyword">public</span> <span class="keyword">void</span> <span class="title">test</span><span class="params">()</span></span>&#123;</span><br><span class="line">        UserDTO userDTO =<span class="keyword">new</span> UserDTO();</span><br><span class="line">        userDTO.setUserCode(<span class="string">"123"</span>);</span><br><span class="line">        UserVO userVO = iGenerator.convert(userDTO, UserVO<span class="class">.<span class="keyword">class</span>)</span>;</span><br><span class="line">        <span class="comment">//UserVO userVO = mapper.map(userDTO, UserVO.class);</span></span><br><span class="line">        System.out.println(userVO);</span><br><span class="line">    &#125;</span><br><span class="line"></span><br><span class="line">    <span class="comment">/**</span></span><br><span class="line"><span class="comment">     * list深度复制</span></span><br><span class="line"><span class="comment">     */</span></span><br><span class="line">    <span class="meta">@Test</span></span><br><span class="line">    <span class="function"><span class="keyword">public</span> <span class="keyword">void</span> <span class="title">test1</span><span class="params">()</span></span>&#123;</span><br><span class="line">        List&lt;UserDTO&gt; dtoList = <span class="keyword">new</span> ArrayList&lt;&gt;();</span><br><span class="line">        UserDTO userDTO =<span class="keyword">new</span> UserDTO();</span><br><span class="line">        userDTO.setUserCode(<span class="string">"123"</span>);</span><br><span class="line">        dtoList.add(userDTO);</span><br><span class="line">        List&lt;UserVO&gt; userVOS = iGenerator.convert(dtoList, UserVO<span class="class">.<span class="keyword">class</span>)</span>;</span><br><span class="line">        System.out.println(userVOS);</span><br><span class="line">    &#125;</span><br><span class="line"></span><br><span class="line">    <span class="comment">/**</span></span><br><span class="line"><span class="comment">     **set深度复制</span></span><br><span class="line"><span class="comment">     */</span></span><br><span class="line">    <span class="meta">@Test</span></span><br><span class="line">    <span class="function"><span class="keyword">public</span> <span class="keyword">void</span> <span class="title">test2</span><span class="params">()</span></span>&#123;</span><br><span class="line">        Set&lt;UserDTO&gt; dtoSet = <span class="keyword">new</span> HashSet&lt;&gt;();</span><br><span class="line">        UserDTO userDTO =<span class="keyword">new</span> UserDTO();</span><br><span class="line">        userDTO.setUserCode(<span class="string">"123"</span>);</span><br><span class="line">        dtoSet.add(userDTO);</span><br><span class="line">        Set&lt;UserVO&gt; userVOS = iGenerator.convert(dtoSet, UserVO<span class="class">.<span class="keyword">class</span>)</span>;</span><br><span class="line">        System.out.println(userVOS);</span><br><span class="line">    &#125;</span><br><span class="line"></span><br><span class="line">    <span class="comment">/**</span></span><br><span class="line"><span class="comment">     * 数组深度复制</span></span><br><span class="line"><span class="comment">     */</span></span><br><span class="line">    <span class="meta">@Test</span></span><br><span class="line">    <span class="function"><span class="keyword">public</span> <span class="keyword">void</span> <span class="title">test13</span><span class="params">()</span></span>&#123;</span><br><span class="line">        UserDTO[] dtos = <span class="keyword">new</span> UserDTO[<span class="number">3</span>];</span><br><span class="line">        UserDTO userDTO =<span class="keyword">new</span> UserDTO();</span><br><span class="line">        userDTO.setUserCode(<span class="string">"123"</span>);</span><br><span class="line">        dtos[<span class="number">0</span>] = userDTO;</span><br><span class="line">        dtos[<span class="number">1</span>] = userDTO;</span><br><span class="line">        dtos[<span class="number">2</span>] = userDTO;</span><br><span class="line">        UserVO[] userVOS = iGenerator.convert(dtos, UserVO<span class="class">.<span class="keyword">class</span>)</span>;</span><br><span class="line">        <span class="keyword">for</span> (<span class="keyword">int</span> i=<span class="number">0</span>; i&lt;userVOS.length;i++)&#123;</span><br><span class="line">            System.out.println(userVOS[i]);</span><br><span class="line">        &#125;</span><br><span class="line">    &#125;</span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure><p>到此完成所有的测试！</p><figure class="highlight javascript"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">&lt;h2&gt;测试结果：已经在测试的上面标注&lt;<span class="regexp">/h2&gt;</span></span><br></pre></td></tr></table></figure><p><strong>项目实战演示：</strong>只是演示 ，这个代码不用做测试！</p><figure class="highlight java"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br></pre></td><td class="code"><pre><span class="line"><span class="meta">@RestController</span></span><br><span class="line"><span class="meta">@RequestMapping</span>(value = <span class="string">"rest/admin/v1"</span>)</span><br><span class="line"><span class="meta">@Api</span>(tags = &#123;<span class="string">"OMS-UserController"</span>&#125;, description = <span class="string">"用户模块"</span>)</span><br><span class="line"><span class="keyword">public</span> <span class="class"><span class="keyword">class</span> <span class="title">UserController</span> <span class="keyword">extends</span> <span class="title">BaseController</span> </span>&#123;</span><br><span class="line"></span><br><span class="line">    <span class="meta">@Reference</span></span><br><span class="line">    IUserService vUserService;</span><br><span class="line"> </span><br><span class="line">    <span class="meta">@Autowired</span></span><br><span class="line">    Mapper mapper;</span><br><span class="line">   </span><br><span class="line">    <span class="meta">@ApiOperation</span>(value = <span class="string">"获取用户"</span>, httpMethod = <span class="string">"GET"</span>)</span><br><span class="line">    <span class="meta">@GetMapping</span>(value = <span class="string">"v1/get/user"</span>)</span><br><span class="line">    <span class="function"><span class="keyword">public</span> ResponseData <span class="title">getUser</span><span class="params">()</span> </span>&#123;</span><br><span class="line">        <span class="comment">// 获取用户信息</span></span><br><span class="line">        VUserinfo userInfo = vUserService.getUserInfo();</span><br><span class="line">      <span class="comment">//映射-过滤 ，只返回给前端需要的数据字段/数据格式</span></span><br><span class="line">         UserDTO userDTO = mapper.map(userInfo, UserDTO<span class="class">.<span class="keyword">class</span>)</span>;</span><br><span class="line">        <span class="keyword">return</span> ResponseUtil.success(userDTO);</span><br><span class="line">    &#125;</span><br></pre></td></tr></table></figure></div><div class="popular-posts-header"><p style="font-size:18px;color:red;margin:0 0 5px 0">相关文章推荐：</p></div><ul class="popular-posts"><li class="popular-posts-item"><div class="popular-posts-title"><a href="\posts\1847461252.html" 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